We could have a marriage advice, message in a bottle set up where guests can write on pieces of paper and put it in the bottle for us to open later. I have some large vases and we would just need sand, rope or twine, and some message paper.
Beach Wedding Centerpiece: Life is a beach when you love by the sea! Celebrate your seaside wedding with beach inspired layers of sand, shells, and sea creatures. Floating votives enhance the romance and protect the flame from an ocean breeze.